javafx: simple true/false suggestions

(cherry picked from commit 17c51885eda041514949ead8ad5abd79710d6692)

plugins/javaFX/javaFX-CE/testSrc/org/jetbrains/plugins/javaFX/fxml/JavaFxCompletionTest.java

@@ -153,6 +153,12 @@ public class JavaFxCompletionTest extends LightFixtureCompletionTestCase {
     assertDoesntContain(myFixture.getLookupElementStrings(), "Infinity");
   }
 
+  public void testBooleanValues() throws Exception {
+    myFixture.configureByFiles(getTestName(true) + ".fxml");
+    complete();
+    assertContainsElements(myFixture.getLookupElementStrings(), "true", "false");
+  }
+
   public void testDefaultPropertyIncludeOnce() throws Exception {
     myFixture.configureByFiles(getTestName(true) + ".fxml");
     myItems = myFixture.completeBasic();

plugins/javaFX/src/org/jetbrains/plugins/javaFX/fxml/descriptors/JavaFxPropertyAttributeDescriptor.java

@@ -83,6 +83,8 @@ public class JavaFxPropertyAttributeDescriptor implements XmlAttributeDescriptor
     final String propertyQName = getBoxedPropertyType(getDeclaration());
     if (CommonClassNames.JAVA_LANG_FLOAT.equals(propertyQName) || CommonClassNames.JAVA_LANG_DOUBLE.equals(propertyQName)) {
       return new String[] {"Infinity", "-Infinity", "NaN",  "-NaN"};
+    } else if (CommonClassNames.JAVA_LANG_BOOLEAN.equals(propertyQName)) {
+      return new String[] {"true", "false"};
     }
 
     return ArrayUtil.EMPTY_STRING_ARRAY;

plugins/javaFX/testData/completion/booleanValues.fxml

@@ -0,0 +1,2 @@
+<?import javafx.scene.layout.GridPane?>
+<GridPane xmlns:fx="http://javafx.com/fxml" focusTraversable="<caret>"/>